Finding the Fourth Proportional to 1,720,379,350.44, 2,580,583,960.11 and 555,847,966.05
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Solution
The fourth proportional to 1,720,379,350.44, 2,580,583,960.11 and 555,847,966.05 is: 833,776,774.34
Step by Step Solution
- Step 1: Write the proportion equation
1,720,379,350.44 : 2,580,583,960.11 = 555,847,966.05 : x - Step 2: Convert to fraction form
1,720,379,350.44/2,580,583,960.11 = 555,847,966.05/x - Step 3: Cross multiply
1,720,379,350.44x = 2,580,583,960.11 × 555,847,966.05 - Step 4: Simplify right side
1,720,379,350.44x = 1,434,412,345,448,397,824 - Step 5: Solve for x
x = 1,434,412,345,448,397,824/1,720,379,350.44 - Step 6: Final answer
x = 833,776,774.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.